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APPROVED SOURCES |
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RETARDING, WATER REDUCING & RETARDING ADMIXTURES PAVEMENT OR STRUCTURAL CONCRETE WITH NORMAL WORKING TIMES |
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Note: Mixed-to-placed time period may be extended as per Iowa DOT Standard Specifications Section 2301.02.C.4. For patching with extended haul time, rate may be reduced to half dosage. |
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DOSAGE, fl. oz/100 lb. of |
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Cementitious Materials |
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BRAND NAME |
PRODUCER/DISTRIBUTOR |
Typical |
Range |
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Catexol 1000 N |
AXIM Concrete Technologies |
3.5 |
3.5 - 5.0 |
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Catexol 1000 R |
AXIM Concrete Technologies |
1.5 |
1.5 - 4.0 |
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Daratard 17 |
W.R. Grace & Company |
2.0 |
2.0 - 8.0 |
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Daratard HC |
W.R. Grace & Company |
2.0 |
2.0 - 4.0 |
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Delayed Set |
Fritz-Pak |
1.0 |
1.0 - 1.7 |
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(dry Powder) |
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Eucon Retarder 100 |
Euclid Chemical Company |
2.0 |
2.0 - 6.0 |
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Distributed by Brett Admixtures |
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Eucon TR |
Euclid Chemical Company |
3.0 |
3.0 - 6.0 |
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Distributed by Brett Admixtures |
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Eucon WR-91 |
Euclid Chemical Company |
2.0 |
2.0 - 10.0 |
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Distributed by Brett Admixtures |
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FR-1 (dry powder) |
Fritz-Pak |
1.5 |
1.5 - 3.0 |
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LC-400R |
RussTech |
3.0 |
3.0 - 6.0 |
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MasterSet DELVO* |
BASF Corporation |
3.0 |
3.0 - 5.0 |
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(Delvo Stabilizer, Hydration stabilizer*) |
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MasterPozzolith 80 |
BASF Corporation |
6.0 |
6.0 - 10.0 |
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(Pozzolith 80) |
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MasterSet R 100 |
BASF Corporation |
2.0 |
2.0 - 4.0 |
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(Pozzolith 100 XR) |
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MasterSet R 300 |
BASF Corporation |
3.0 |
3.0 - 5.0 |
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(Pozzolith 300 R) |
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MasterPozzolith 322 |
BASF Corporation |
5.0 |
5.0 - 7.0 |
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(Pozzolith 322 N) |
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MasterPozzolith 700 |
BASF Corporation |
5.0 |
5.0 - 7.0 |
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(Pozzolith 700 N) |
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OptiFlo 100R |
Premiere Concrete Admixtures |
3.0 |
2.0 - 8.0 |
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OptiFlo 500 |
Premiere Concrete Admixtures |
4.0 |
4.0 - 8.0 |
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OptiFlo Renu |
Premiere Concrete Admixtures |
3.0 |
3.0 - 6.0 |
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(Hydration stabilizer*) |
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Plastiment |
Sika Corporation |
2.0 |
2.0 - 4.0 |
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Plastiment ES |
Sika Corporation |
2.0 |
2.0 - 4.0 |
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Plastocrete-10N |
Sika Corporation |
3.5 |
3.5 - 5.0 |
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Plastocrete 161 |
Sika Corporation |
4.0 |
4.0 - 6.0 |
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Polychem-R |
General Resource Technology |
2.0 |
2.0 - 5.0 |
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Recover |
W.R. Grace & Company |
2.0 |
2.0 - 6.0 |
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Sikatard 440 |
Sika Corporation |
2.0 |
2.0 - 8.0 |
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(Hydration stabilizer*) |
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Stop Set L |
AXIM Concrete Technologies |
3.0 |
3.0 - 8.0 |
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(Hydration stabilizer*) |
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V-Mar VSC500 |
W.R. Grace & Company |
7.0 |
7.0 - 15.0 |
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WRDA with Hycol |
W.R. Grace & Company |
5.0 |
5.0 - 6.0 |
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*The dosage rate for hydration stabilizer may vary for different applications, and check manufacturer’s recommendation before use. |
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